Square Boxes and Extension Rings are manufactured from durable pre-galvanized steel and are designed to house and protect electrical wiring, switches, receptacles and to support light fixtures. All steel boxes are UL listed and acceptable for use in 2-hour fire rated walls and ceilings. 8-32 fixture mounting screws are assembled. 4 in square and 2-1/8 in deep with eight 1/2 in knockouts. Raised ground.
| Shape | : | Rectangular |
| Number of Gangs | : | 2 |
| Number of Knockouts | : | 8 |
| Cubic Capacity | : | 30.3 cu-in |
| Material | : | Steel |
| Cable Entry | : | Knockout |
| Mounting Type | : | Screw |
| Knockout Size | : | 1/2 in |
| Color | : | Gray |
| Dimensions | : | 4 in W x 4 in H |